LXR linux/drivers/usb/storage/usual-tables.c

   1/* Driver for USB Mass Storage devices
   2 * Usual Tables File for usb-storage and libusual
   3 *
   4 * Copyright (C) 2009 Alan Stern (stern@rowland.harvard.edu)
   5 *
   6 * Please see http://www.one-eyed-alien.net/~mdharm/linux-usb for more
   7 * information about this driver.
   8 *
   9 * This program is free software; you can redistribute it and/or modify it
  10 * under the terms of the GNU General Public License as published by the
  11 * Free Software Foundation; either version 2, or (at your option) any
  12 * later version.
  13 *
  14 * This program is distributed in the hope that it will be useful, but
  15 * WITHOUT ANY WARRANTY; without even the implied warranty of
  16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  17 * General Public License for more details.
  18 *
  19 * You should have received a copy of the GNU General Public License along
  20 * with this program; if not, write to the Free Software Foundation, Inc.,
  21 * 675 Mass Ave, Cambridge, MA 02139, USA.
  22 */
  23
  24#include <linux/kernel.h>
  25#include <linux/module.h>
  26#include <linux/usb.h>
  27#include <linux/usb_usual.h>
  28
  29
  30/*
  31 * The table of devices
  32 */
  33#define UNUSUAL_DEV(id_vendor, id_product, bcdDeviceMin, bcdDeviceMax, \
  34                    vendorName, productName, useProtocol, useTransport, \
  35                    initFunction, flags) \
  36{ USB_DEVICE_VER(id_vendor, id_product, bcdDeviceMin, bcdDeviceMax), \
  37  .driver_info = (flags) }
  38
  39#define COMPLIANT_DEV   UNUSUAL_DEV
  40
  41#define USUAL_DEV(useProto, useTrans) \
  42{ USB_INTERFACE_INFO(USB_CLASS_MASS_STORAGE, useProto, useTrans) }
  43
  44/* Define the device is matched with Vendor ID and interface descriptors */
  45#define UNUSUAL_VENDOR_INTF(id_vendor, cl, sc, pr, \
  46                        vendorName, productName, useProtocol, useTransport, \
  47                        initFunction, flags) \
  48{ \
  49        .match_flags = USB_DEVICE_ID_MATCH_INT_INFO \
  50                                | USB_DEVICE_ID_MATCH_VENDOR, \
  51        .idVendor    = (id_vendor), \
  52        .bInterfaceClass = (cl), \
  53        .bInterfaceSubClass = (sc), \
  54        .bInterfaceProtocol = (pr), \
  55        .driver_info = (flags) \
  56}
  57
  58struct usb_device_id usb_storage_usb_ids[] = {
  59#       include "unusual_devs.h"
  60        { }             /* Terminating entry */
  61};
  62MODULE_DEVICE_TABLE(usb, usb_storage_usb_ids);
  63
  64#undef UNUSUAL_DEV
  65#undef COMPLIANT_DEV
  66#undef USUAL_DEV
  67#undef UNUSUAL_VENDOR_INTF
  68
  69/*
  70 * The table of devices to ignore
  71 */
  72struct ignore_entry {
  73        u16     vid, pid, bcdmin, bcdmax;
  74};
  75
  76#define UNUSUAL_DEV(id_vendor, id_product, bcdDeviceMin, bcdDeviceMax, \
  77                    vendorName, productName, useProtocol, useTransport, \
  78                    initFunction, flags) \
  79{                                       \
  80        .vid    = id_vendor,            \
  81        .pid    = id_product,           \
  82        .bcdmin = bcdDeviceMin,         \
  83        .bcdmax = bcdDeviceMax,         \
  84}
  85
  86static struct ignore_entry ignore_ids[] = {
  87#       include "unusual_alauda.h"
  88#       include "unusual_cypress.h"
  89#       include "unusual_datafab.h"
  90#       include "unusual_ene_ub6250.h"
  91#       include "unusual_freecom.h"
  92#       include "unusual_isd200.h"
  93#       include "unusual_jumpshot.h"
  94#       include "unusual_karma.h"
  95#       include "unusual_onetouch.h"
  96#       include "unusual_realtek.h"
  97#       include "unusual_sddr09.h"
  98#       include "unusual_sddr55.h"
  99#       include "unusual_usbat.h"
 100        { }             /* Terminating entry */
 101};
 102
 103#undef UNUSUAL_DEV
 104
 105/* Return an error if a device is in the ignore_ids list */
 106int usb_usual_ignore_device(struct usb_interface *intf)
 107{
 108        struct usb_device *udev;
 109        unsigned vid, pid, bcd;
 110        struct ignore_entry *p;
 111
 112        udev = interface_to_usbdev(intf);
 113        vid = le16_to_cpu(udev->descriptor.idVendor);
 114        pid = le16_to_cpu(udev->descriptor.idProduct);
 115        bcd = le16_to_cpu(udev->descriptor.bcdDevice);
 116
 117        for (p = ignore_ids; p->vid; ++p) {
 118                if (p->vid == vid && p->pid == pid &&
 119                                p->bcdmin <= bcd && p->bcdmax >= bcd)
 120                        return -ENXIO;
 121        }
 122        return 0;
 123}
 124